The hairy rockrose (Cistus incanus), a native to the Mediterranean tea plant, contains a large quantity of polyphenols. Especially in Greece the cistus-tea has a long tradition, however, has passed into oblivion over the years. In 1999, Cistus Incanus has won the „European Medicinal Plant of the Year“ award and was thus rediscovered. (More info, incl. scientific studies, down below.)